How to I create a special ability category?

[MNBlockHead]

I thought I would take a stab and creating a new class in Hero Lab. In particular the "Savant" class recently published by ENWorld's EN5ider (https://www.patreon.com/posts/savant-basic-23450466)

My first snag is that for class features where you have to make a selection, such as a bard school, you would need to select which category the special ability belongs to.

I need to create a special ability category called "Aptitude", under which I will create several three aptitudes, each which gives additional abilities at different levels.

How do I go about doing this?